Using pluck() on null on discount creation page

[skyrowl]

• Lunar version: 0.2.0-rc1
• Laravel Version: 9.48.0
• PHP Version: 8.1.3

Expected Behaviour:

Show the create form of discounts

Actual Behaviour:

Throws error

Call to a member function pluck() on null

pointing to "packages/admin/resources/views/partials/forms/discount/limitations.blade.php"

lunar/packages/admin/resources/views/partials/forms/discount/limitations.blade.php

Lines 144 to 147 in 937d946

	@livewire('hub.components.product-search', [
	'existing' => $selectedProducts->pluck('id'),
	'ref' => 'discount-limitations',
	])

Steps To Reproduce:

Open discounts tab then click on "Create"
The install was upgraded from a previous version of lunar (upgrade guide has been followed) and is seeded with the demo store datas (not using demo store only its seeder)

[alecritson]

Resolved in #834